;;; Compiled by f2cl version:
;;; ("$Id: f2cl1.l,v 1.209 2008/09/11 14:59:55 rtoy Exp $"
;;;  "$Id: f2cl2.l,v 1.37 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl3.l,v 1.6 2008/02/22 22:19:33 rtoy Rel $"
;;;  "$Id: f2cl4.l,v 1.7 2008/02/22 22:19:34 rtoy Rel $"
;;;  "$Id: f2cl5.l,v 1.197 2008/09/11 15:03:25 rtoy Exp $"
;;;  "$Id: f2cl6.l,v 1.48 2008/08/24 00:56:27 rtoy Exp $"
;;;  "$Id: macros.l,v 1.106 2008/09/15 15:27:36 rtoy Exp $")

;;; Using Lisp International Allegro CL Enterprise Edition 8.1 [64-bit Linux (x86-64)] (Oct 7, 2008 17:13)
;;;
;;; Options: ((:prune-labels nil) (:auto-save t)
;;;           (:relaxed-array-decls t) (:coerce-assigns :as-needed)
;;;           (:array-type ':array) (:array-slicing t)
;;;           (:declare-common nil) (:float-format double-float))

(in-package :clml.lapack)


(defun ieeeck (ispec zero one)
  (declare (type (single-float) one zero)
   (type (f2cl-lib:integer4) ispec))
  (prog ((nan1 0.0f0) (nan2 0.0f0) (nan3 0.0f0) (nan4 0.0f0)
         (nan5 0.0f0) (nan6 0.0f0) (neginf 0.0f0) (negzro 0.0f0)
         (newzro 0.0f0) (posinf 0.0f0) (ieeeck 0))
        (declare
         (type (single-float) posinf newzro negzro neginf nan6 nan5
          nan4 nan3 nan2 nan1)
         (type (f2cl-lib:integer4) ieeeck))
        (setf ieeeck 1)
        (setf posinf (/ one zero))
        (cond ((<= posinf one) (setf ieeeck 0) (go end_label)))
        (setf neginf (/ (- one) zero))
        (cond ((>= neginf zero) (setf ieeeck 0) (go end_label)))
        (setf negzro (/ one (+ neginf one)))
        (cond ((/= negzro zero) (setf ieeeck 0) (go end_label)))
        (setf neginf (/ one negzro))
        (cond ((>= neginf zero) (setf ieeeck 0) (go end_label)))
        (setf newzro (+ negzro zero))
        (cond ((/= newzro zero) (setf ieeeck 0) (go end_label)))
        (setf posinf (/ one newzro))
        (cond ((<= posinf one) (setf ieeeck 0) (go end_label)))
        (setf neginf (* neginf posinf))
        (cond ((>= neginf zero) (setf ieeeck 0) (go end_label)))
        (setf posinf (* posinf posinf))
        (cond ((<= posinf one) (setf ieeeck 0) (go end_label)))
        (if (= ispec 0) (go end_label))
        (setf nan1 (+ posinf neginf))
        (setf nan2 (/ posinf neginf))
        (setf nan3 (/ posinf posinf))
        (setf nan4 (* posinf zero))
        (setf nan5 (* neginf negzro))
        (setf nan6 (coerce (* nan5 0.0) 'single-float))
        (cond ((= nan1 nan1) (setf ieeeck 0) (go end_label)))
        (cond ((= nan2 nan2) (setf ieeeck 0) (go end_label)))
        (cond ((= nan3 nan3) (setf ieeeck 0) (go end_label)))
        (cond ((= nan4 nan4) (setf ieeeck 0) (go end_label)))
        (cond ((= nan5 nan5) (setf ieeeck 0) (go end_label)))
        (cond ((= nan6 nan6) (setf ieeeck 0) (go end_label)))
        (go end_label)
   end_label (return (values ieeeck nil nil nil))))

(in-package #-gcl #:cl-user #+gcl "CL-USER")
#+#.(cl:if (cl:find-package '#:f2cl) '(and) '(or))
(eval-when (:load-toplevel :compile-toplevel :execute)
  (setf (gethash 'fortran-to-lisp::ieeeck
                 fortran-to-lisp::*f2cl-function-info*)
        (fortran-to-lisp::make-f2cl-finfo :arg-types '((fortran-to-lisp::integer4)
                                                       (single-float)
                                                       (single-float))
          :return-values '(nil nil nil)
          :calls 'nil)))

